Power-transmission device.



Nq. 812,483. MTENTED 11:13.13, 1906.

P. DE GOLIGN'Y.

POWER TRANSMISSION Dvw'. A1lLItJJSJlIOIl FIILED AUG. 7, 1005.

j 'A w W1 W 117 W m l I am", i Jlll -ll f SHEETS-SHEET l No. 812,433'. i P-A'TBNTED TBB. 13, 1906. P. DE GL'IGNY.

POWER TRANSMJSSlON DEVICE.

PPLIQA'TION FILED AUG. 7, 1905.

2 SHEETS--SHEBT 2.

0% 3065566 Inder/L50 75 ,I 7,2 Zim/4, @5g/@fg OF CHCAG, ILLINOIS I FRANK DE coLieNr,

Powie-TRANSMISSION Device.

Specification of Letters Patent. Application filed August 7,1905 Serial No. 273,047.

Patented Feb. '13, ieee.

To all' whom, tm/ay concern:

Be it known that I, FRANK Dn COLIGNY, a the chamber C l citizen of the United States, residing at Chi- Transmission Device,

cago, in the county of Cook and State of Illinois, have invented a new and useful Power-- lof which the following 1s a specification.

y invention relatesto improvements in Athe construction of apparatus which is interple, compact,

A-Hinged at f isaswingiiilT posed the like to vary' the imparted power and speed by controlling the circulation or degree of sl`p of a confined body of practically incompressible fluid' through which the driving force is transmitted.

My object is to provide a power and speed transmitting device of the above class of simand generally'impi'oved eonstruction,` adapting it more especially for use upon automobiles.

In the drawings I show a simple embodiment of my invention as l prefer in a general way to construct it for use in automobiles to vary the speed and power transmitted from a power-shaft running at regular speed to a propellenshaft.

Referring to the drawin s, Figure 1 is a sectional side elevation of t edevic'e; Fig. 2, a section through the device in a plan parallel with Fig. 1 and Fig. 3 an enlarged crosssection taken on line 3 in Fig. 1.

A is the power or driving shaft, and'B the propeller or driven shaft. `The latter carries at its end a cylinder C, having an inner chamber C', nearly surrounded by a wall a. Ex# tending around the Wall a is an outer chamber C2, which has a'wall b at one end 'and opens at its oppositeend through port c into the chamber C. Extending across the chamber C2 in the position shown is a hollow wall or abutment D, having ports d through it and forming the casing of a slide-valve E, provided with ports adapted in the sliding of the valve to open and close the ports d. l Between the walls b vD is a chamber F, opening through a port .e into yment G of theexaotfwidt vofthe chamberC i and pressed, as'shown, by agspring g.

I'. shaft B., passing thro The,` driving sha-a A 'a in hawaii its one ,wall of the: casing end in 'a bearinghsocket iin the opposite ywall between'driving and driven shafts or the f, chambery 0.. f ldefleotor .on abut f righe stuiingvbox 7L in l fixed upon the shaft A. The rim, of the wheel H is formed with anannular bearing recess H,in which its'the inner'periphery of a rotary ring or wheel I, having aflanged rim portion l.

osite edges of the riiii I slidein deflector G. The valve E has 'a stem E passing through a stufling-box c in the wall ofthecasing, and

connected vwith the said 'st ein'is lever fu'l-v cruined at Z and having a'bifurcatedeiid l* loosely embracing a sliding c'ollaifgKl on the shaftB. .l 1

K is a lever mounted ina suitablel sup port- The nearlyannular and cireuiny ferential wall a is provided with a lining a of leather or the like, terminating or `cutaway The .side wells near the with annular strips of leather 'or the like t the linings a2; and. the fat-'e or the rim is maintained by the eccentric in rolling contact with the lining'a vand yielding' ofthe same. lllidway Awallsy t).

is a wheel H,ec`ccntrically and having a bifurcated end also loosely bracing the collar K, as indicated. fl The chai'nber. C2 is filled withoil or other suitable incompressible fluid and forms,

the space in the chamber-G bletweenthe'rim I and lining a', as wellasfthechamber F. 7

@wing to the diiculty that there maybe of .8 i iii e'ffeet, an oil-'storage chamber, theloil also filling maintaining an oil-tight' joint lbetween the rim l and linings a2, the chamber Cwithin the rim l may also be fillcdfwith oil-,1.whiclifis byathe stuffing-l)offsl h. In the end of the vcliainberl,i near the;

prevented from escaping Wall l), I provide a plunger-pistonli,backed v by aspring L. In filling the device witli olli pressure may be eii'iployed to iiiove`tl1e'[ is` ton L against the resistance o f the vspriiigsL, whereby in the event of "niorejor lesssliglit leakage of oil the piston will advance tocoinerate .tokeep the pil Y ensate therefor and o in the chambers at all times under slight pressure.4 f

In the rotation ofthe prime shaftAv thewcentric isrotatedthereby canse, ii g1 the .wheelf' v`l to grotateI lthereon endroit roo uponL the inner, zperiplierypr lipin a" ot" `the I chamberl C. The direction .o'l te angular,-l i

movement ofthe .wheel I is indicated "by-the,`

and jonrnaled at its. .t arrowin Fig., 2.. n The ports tffinith'f'g'eli its plete the oil between the ment D afford when o 'en free communication between the chamhersf C2. Therefore when the valve E is 1go" enejd the wheel I as it rolls around forces'theoil entering at -c out through the opening'cf'ft'o the chamber F and thence back to the. chamber C2. The chamber F, ports d, and chamber C2 form a circulating-conduit for the oil between the ports e c. During this free circulation of the oil ractically no working pressure is exerted by it against the abutment D, and the casing C and ropeller-shaft will not be rotated.. The yiel ing deflector G being in constant contactwith the rim I deflects all the oil forced by the wheel into the chamber F. Gradual closure of the valve E reduces the slip of the oil through the ports of the abutment D and causes gradually-increasing ressure to be exerted against the casing at the abutinentD -to rotate it and the propeller-shaft; Comclosing of the valve E, which shuts H circulation of the oil, causes that portion of line of contact of the rimwith they wall a', on the one hand, and the yielding abutment G and fixed abutment D, on the other hand, to form an unyielding filler,

whereby the propeller-shaft will be rotated at the same speed as the power-shaft. Thusunder a given resistance the com arative velocity ofthe propeller-shaft will piend upon the adjustment .of the valve effected through the lever l and collar-K by adjustment of the lever K The wheel I is, in effect, a pump and works without material frictional resistance in rolling upon the surface a and as all the parts are in an oil-bath frictional resistancebetweenmoving surfaces is reduced to aminimum.

Naturally my improved power-transmission devicewould operate were the shaft B the power-shaft and A the propeller-shaft. The cylindrical casing C would be made in sections and suitable means provided for fastening the sections securely together, with oiltight Joints between them. The valve which governs the slip of oil and its operating means should be so constructed asto -be under per-, fect control of the attendant, whereby the lchanges in relative speed transmitted to the propeller-shaft may .be quickly and accu- 4 rately accomplished..

mounted, on the other What I claim asnew, and desire to secure l by Letters Patent, is

1. In a power-transmission devicehthe combination with the driving and driven parts, of a cylinder on one of said parts' having an inner bearing-surface surrounding an oil-chamber provided with inlet and outlet ports, and an oil-circulating conduit communicating with the ports, a wheel eccentrically ofv said parts to have independent rotation thereon in rolling contact with the said surface in the said chambei', a: resilient deiiector in said chamber between the said ports and bearing against the saidwheel, a valve in said conduit, and operating means for the valve.

2. In a power-transmission device, the

combination with the driving and drivenparts, of a cylinder on one of said parts having an inner bearing-surface surrounding an oil-chamber provided with inlet andv outlet ports, and afioil-circulating conduit communicating withithe ports, an inner wheel eccen trically fastened to theother of said parts, an outer wheel rotating on the said inner wheel in said chamber in rolling contact with thel in its circumference with inlet and outlet ports, and an oil-circulating conduit commuv nicating'with the ports,an inner wheel eccentrically fastened to the other of said parts, an

outer wheel rotating on the said inner wheel in said chamber in rolling contact with the circumferential wall and in sliding contact with the said side walls, a resilient deflector in said chamber between the said orts and bearing againstthe said outer whee e valve in said conduit, and operating `meansfor the valve.

4. In a powertransmission device, the combination with the driving and ldriven parts, of a cylinder on one of said parts having an outer oil-storage chamber and an inner oil-chamber provided with circumferential and side bearing-walls and providedl at its circumference with inlet and outlet ports, an oil-circulating conduit extending from said outlet-port to the said outer chamber, the inlet-port being an opening between the chambers, an inner wheel eccentrically fastened to the other of said parts, an outer wheel rotating on the said inner wheel in said inner chamber in rolling contact with the circumferential IGO I'i o wall and in sliding contact with the said side ports, and an oil-circulating conduit communicating with the ports,the other shaft eX- tending through a stufiing-box in one side of transmission device, the

.oil-chamber provided with inlet and outlet .said chamber and into abearin in th other Said Orts and bearncr a anst seid outer g 1P e g 1 side thereof and carrylng an inner eccentric Whee @Valve in said conduit, and operating Wheel 1n sald'chamber, an outer Wheel rotatmeans for the valve.

ing on the said-inner Wheel in rolling contact FRANK DE l COLIGNY.` with said healing-surface, and in sliding con- In presence 0f` tact with the side walls of said chamber, a re- J. H; LANDES,

silient deector in said chamber between the A. U. THRIEN. 

